On Friday 03 November 2017 08:00 PM, Niklas Cassel wrote:
> dra7xx_pcie_shutdown should be static.
>
> This patch introduces a new sparse warning.
Thanks Niklas for reporting.
Bjorn,
Should i send a next version or just a fix patch on top of this?
Regards,
Keerthy
>
> On Wed, Oct 11, 2017 at 9:32 PM, Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
>> On Wed, Sep 20, 2017 at 10:54:15AM +0530, Keerthy wrote:
>>> Add shutdown handler to cleanly turn off clocks. This will help
>>> in cases of kexec where in a new kernel can boot abruptly.
>>>
>>> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
>>> Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>>
>> Applied to pci/host-dra7xx for v4.15, thanks!
>>
>>> ---
>>>
>>> Changes in v4:
>>>
>>> * Added the missing changes from v2!
>>>
>>> Changes in v3:
>>>
>>> * Pushed the function outside #ifdef CONFIG_PM_SLEEP.
>>> * Added more details to commit log.
>>>
>>> Changes in v2:
>>>
>>> * used a local dev pointer instead of dereferencing dev at multiple places.
>>> * dra7xx_pcie_stop_link before disabling clks in the shutdown path.
>>>
>>> drivers/pci/dwc/pci-dra7xx.c | 17 +++++++++++++++++
>>> 1 file changed, 17 insertions(+)
>>>
>>> diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
>>> index 34427a6..d084800 100644
>>> --- a/drivers/pci/dwc/pci-dra7xx.c
>>> +++ b/drivers/pci/dwc/pci-dra7xx.c
>>> @@ -794,6 +794,22 @@ static int dra7xx_pcie_resume_noirq(struct device *dev)
>>> }
>>> #endif
>>>
>>> +void dra7xx_pcie_shutdown(struct platform_device *pdev)
>>> +{
>>> + struct device *dev = &pdev->dev;
>>> + struct dra7xx_pcie *dra7xx = dev_get_drvdata(dev);
>>> + int ret;
>>> +
>>> + dra7xx_pcie_stop_link(dra7xx->pci);
>>> +
>>> + ret = pm_runtime_put_sync(dev);
>>> + if (ret < 0)
>>> + dev_dbg(dev, "pm_runtime_put_sync failed\n");
>>> +
>>> + pm_runtime_disable(dev);
>>> + dra7xx_pcie_disable_phy(dra7xx);
>>> +}
>>> +
>>> static const struct dev_pm_ops dra7xx_pcie_pm_ops = {
>>> SET_SYSTEM_SLEEP_PM_OPS(dra7xx_pcie_suspend, dra7xx_pcie_resume)
>>> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(dra7xx_pcie_suspend_noirq,
>>> @@ -807,5 +823,6 @@ static int dra7xx_pcie_resume_noirq(struct device *dev)
>>> .suppress_bind_attrs = true,
>>> .pm = &dra7xx_pcie_pm_ops,
>>> },
>>> + .shutdown = dra7xx_pcie_shutdown,
>>> };
>>> builtin_platform_driver_probe(dra7xx_pcie_driver, dra7xx_pcie_probe);
>>> --
>>> 1.9.1
>>>
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